The only U.S. Marshal assigned to Antarctica, Carrie Stetko will soon leave the harsh environment behind for good – in three days, the sun will set and the Amundsen-Scott Research Station will shut down for the long winter. When a body is discovered out on the open ice, Carrie's investigation into the continent's first homicide plunges her deep into a mystery that may cost her her own life.
When Zoe tires of looking for Mr. Right, she decides to have a baby on her own. But on the day she's artificially inseminated, she meets Stan, who seems to be just who she's been searching for all her life. Now, Zoe has to figure out how to make her two life's dreams fit with each other.